July 2020 ~ SDK eMart

Transfer function analogy || Block diagram reduction rule for control system ||

July 28, 2020 No comments

BLOCK DIAGRAM OF ELEMETS:
1] Block

2] Summing Point

3] Branch Point

BLOCK DIAGRAM REDUCTION RULE FOR CONTROL SYSTEM:
Rule:
1] combining the block in cascade
2] combining parallel blocks
3] moving the branch point ahead of the block
4] moving the branch point before of the block
5] moving summing point ahead of the block
6] moving summing point before of the block
7] interchanging summing point
8] spliting summing point / combining summing point
9] elimination of feedback loop

Introduction of control system || Types of control systems || Types of feedback || Transfer function || Effect of feedback || Mathematical model

July 28, 2020 No comments

CONTROL SYSTEM:
A system which consist of number of components connected together to perform a specific function, in which the output is controlled by input.

TYPES OF SYSTEM:
[1] Open loop system

Advantage:

1] simple and economical

2] easier to construct

3] stable

Disadvantage:

1] inaccurate

2] changes in the output are not corrected automatically

[2] Close loop system

Advantage:

1] accurate

2] less disturbed by noise

Disadvantage:

1] complex and costier

2] feedback reduces the overall gain of the system

3] stability is a main problem

TYPES OF CONTROL SYSTEM:

1] Linear system

2] Non linear system

3] Time variant system

4] Time invariant system

5] Linear time variant system

6] Linear time invariant system

TYPES OF FEEDBACK:

1] positive feedback

C(s)=[R(s)+C(s)H]G

=GR(s)+GC(s)H

C(s)[1-GH]=GR(s)

then now,

TF= C(s)/R(s) = G/1-GH

2] negative feedback

C(s)=[R(s)-C(s)H]G

=GR(s)-GC(s)H

C(s)[1+GH]=GR(s)

then now,

TF= C(s)/R(s) = G/1+GH

TRANSFER FUNCTION:

Transfer function of a control system is the ratio of laplace transform of output to laplace transform of input.

i.e.

Transfer function = LP of output / LP of input |with zero

C(s)=[R(s)-C(s)H]G

=GR(s)-GC(s)H

C(s)[1+GH]=GR(s)

then now,

TF= C(s)/R(s) = G/1+GH

EFFECTS OF FEEDBACK:

a] Gain

we know that,

TF= G/1+GH - (1)

if GH ↑ then TF ↓

b] Sensitivity

we know that,

S= % change in T/ % change in G

c] Stability

MATHEMATICAL MODEL:

1] Differential equation model

2] Transfer function model

3] State space model

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July 22, 2020 TOP 10 BEST SITES 2 comments

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How to find/get your WiFi password window10/8/7/XP by CMD commad I wifi ka password kaise pata kare hindi me

July 16, 2020 5 comments

METHOD FOR FINDIND PASSWORD IN PC/LAPTOP:

STEP:
1] In Laptop/PC search bar type cmd then enter
2] write some command
netsh wlan show profile then enter

3] choose any one user profile
Suppose, Samsung(see in image)

4] write some command again netsh wlan show profile name=Samsung key=clear then enter

5] Now check security setting > key content > password: samsung@123 ( see in image )

ACCORDING TO THIS YOU CAN PERFORM OR CHECK OTHER USER WIFI PASSWORD

#show all wireless profiles on PC+show security key + delete wirelesss profile using cmd command

#how to see wifi password on laptop or PC

Pi Network Cryptocurrency in Hindi/English

July 10, 2020 Digital Currency 💱 ll Make Money 💰 ll How to earn from Pi network ll What is Pi network II Pi cryptocurrency in hindi II Pi app kya hai 4 comments

क्या आप इतिहास के लिए गवाह बनना चाहते हैं यदि हां तो Pi digital currency, आपके लिए एक सुनहरा अवसर है !!

( I genuinely advice to join sooner than later as the earlier you join, the more you gain and to avoid regretting in future for not having done it before.)

1) What is Pi digital cryptocurrency 💱? (पाई डिजिटल क्रिप्टो करेंसी क्या है? )

Pi एक नई क्रिप्टोकरेंसी है और अब लोग अपने फोन 📱 से कमा सकते हैं या mine कर सकते हैं। लेकिन पहले से ही इसके 6 M+ उपयोगकर्ता हैं पहले की जो डिजिटल करेंसी थी उसकी कमियों को दूर करने के लिए यह अस्तित्व में आया है यह बहुत कम ऊर्जा खपत के साथ फोन 📱 या कम्प्यूटर 💻 के अंदर mine करता है।

पाई रोजमर्रा के लोगों को अधिक आर्थिक 💰 मूल्य पर कब्जा करने में मदद करने के लिए समर्पित है जो आज बैंकों 🏦 , प्रौद्योगिकी 🏭 दिग्गजों (जैसे, फेसबुक , अमेज़ॅन), और अन्य बिचौलियों के पास जाता है। पाई अपने सदस्यों 👬 के सामूहिक योगदान पर निर्भर करता है।

About of Cryptocurrency or digital money....

क्रिप्टोकरेंसी डिजिटल मनी का नया रूप है जो सरकारों या बैंकों के बजाय एक समुदाय द्वारा बनाए और सुरक्षित रखा जाता है। आज, आप मुद्रा 💰 को सुरक्षित करने और पाई के विश्वसनीय नेटवर्क 🔄 को बढ़ाने में मदद करके पाई को अर्जित कर सकते हैं। जबकि अधिकांश क्रिप्टोकरेंसी (जैसे बिटकॉइन ) रोजमर्रा के लोगों के उपयोग और उपयोग के लिए बहुत कठिन है,

2) Is this real? Is Pi a scam?

(क्या यह असली है? क्या पाई एक घोटाला है?)

पाई कोई घोटाला नहीं 🚫 है। यह स्टैनफोर्ड स्नातकों 🏫 की एक टीम द्वारा हर रोज लोगों को क्रिप्टोकरेंसी में अधिक से अधिक पहुंच प्रदान करने का एक वास्तविक प्रयास है।

3) How to start earning Pi in Pi network app?

( पाई नेटवर्क में पाई को कैसे कमाना है )

Here are some steps, please follow steps according to My,

STEP:👇

👉1) Download Pi network App on Playstore

👉2) OPEN and continue with facebook or Phone number, choose any one

👉3) If you choose phone no. then put country code and phone no.

👉4) Set up password ( जो कि आपको याद रहे )

👉5) Set up your Account

जैसे,

FIRST NAME:

LAST NAME:

USERNAME: ( कोई भी जो आपको अच्छा लगे,जैसे आपका पहला और अंतिम नाम इंग्लिश में )

👉6) Who invited you ?

( इसमें इन्विटेशन कोड 🔑 डालें जैसे, मेरा कोड sdkosm डालें। )

and Submit

👉7) Now your Application ready for Mining (Earn pi money )

🎯 NOTE: चूँकी माइनिंग 24 घंटे के लिए होती है इसीलिए आपको हर 24 घंटे के बाद में आपके मोबाइल में पाई एप्लीकेशन को खोलकर ,उसमें जो पाई rate आईकॉन है उस पर क्लिक करके earning पाई को सिलेक्ट करना होगा ,जिससे के आप रोज पाई कमाते रहे !!! अगर आप 24 घंटे के बाद ऐसा नहीं करते हो तो आप की माइनिंग रेट रुक जाएगी ।

1) Entering Display of Pi app